{"product_id":"national-223255-manual-transmission-input-shaft-seal","title":"National 223255 Manual Transmission Input Shaft Seal - Front, Front Inner or Rear","description":"\u003ch2\u003eOverview of National 223255 Manual Transmission Input Shaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 223255 manual transmission input shaft seal is engineered to provide reliable sealing performance for a range of vehicles including Chevrolet, Dodge, GMC, Mitsubishi, Oldsmobile, and Saab models. Designed with nitrile material, this oil seal ensures durability and effective protection against leaks in your transmission system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 1.260 inches (32.000 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.058 inches (52.280 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.276 inches (7.000 mm)\u003c\/li\u003e\n\u003cli\u003eSealing material: Nitrile for resistance to oil and wear\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple vehicle makes and models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Material Details\u003c\/h2\u003e\u003cp\u003eThis manual transmission input shaft seal from National is part of the 220000 series and features a 35-type design. The seal’s nitrile construction offers excellent resistance to petroleum-based fluids and high temperatures commonly found in transmission environments. With a housing bore diameter of 2.047 inches (52.000 mm), it fits precisely to maintain a secure seal around the input shaft, which measures 1.260 inches (32.000 mm) in diameter. The 0.276 inch (7.000 mm) thickness ensures durability while maintaining flexibility for proper installation and sealing.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis input shaft seal is compatible with a variety of manual transmission vehicles, including Chevrolet Astro, Blazer, S10, S10 Blazer, S15, and S15 Jimmy; Dodge Ram 50; GMC Bravada, Jimmy, Safari, and Sonoma; Mitsubishi Mighty Max, Montero, and Raider; Oldsmobile; and Saab 9-2X. The National 223255 seal is designed to meet the specific sealing requirements of these models, helping maintain transmission integrity and performance.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the National 223255 Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents transmission fluid leaks around the input shaft\u003c\/li\u003e\n\u003cli\u003eReduces contamination ingress into the transmission system\u003c\/li\u003e\n\u003cli\u003eMinimizes wear on transmission components by maintaining proper lubrication\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly transmission repairs due to seal failure\u003c\/li\u003e\n\u003cli\u003eMaintains consistent transmission performance under varying operating conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 223255 manual transmission input shaft seal, ensure the transmission housing bore is clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip. Verify the shaft diameter matches the seal’s inside diameter of 1.260 inches (32.000 mm) for proper fitment. Lubricate the seal lip lightly with transmission fluid before installation to reduce initial wear and facilitate smooth operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eNational manufactures the 223255 input shaft seal to meet industry standards for durability and performance. The nitrile material and precise dimensions ensure reliable sealing in manual transmission applications. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, providing confidence in the product’s quality and longevity.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448285692085,"sku":"BCZK-223255","price":17.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_223255_Fro.jpg?v=1774734611","url":"https:\/\/www.partcatalog.com\/products\/national-223255-manual-transmission-input-shaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}